Show, don't tell me
Don't tell me the moon is shining; show me the glint of light on broken glass.
Copyediting.com Check out the articles and blog posts
theEditorsBlog.net A passionate blog about editing. encourages questions and the exchange of ideas.
EvilEditor.blogspot.com The Evil Editor shares some of the more egregious literary offenses preventing publication.
Editing angles to improve your writing by Barbara McNichol.